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An isotope of hydrogen atom is represent...

An isotope of hydrogen atom is represented as X which follows Bohr'r model and exists as diatomic gaseous molecule `"X"_(2).` Also the normal boiling point of a compound `"X"_(2)"O"` liquid is found to be `101^(@)"C"` and that of a solution obtained on dissolved 0.1 moles of NaCl in 1 Kg of `"X"_(2)"O"` liquid is `101.4^(@)"C".` It is also known that the ionization energy of X is equal to 14eV
The value of ebullioscopic constant of `"X"_(2)"O"` is given by:

A

`4 K kg "mol"^(-1)`

B

`2 K kg "mol"^(-1)`

C

`0.4 K kg "mol"^(-1)`

D

`1 K kg "mol"^(-1)`

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The correct Answer is:
B
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An isotope of hydrogen atom is represented as X which follows Bohr'r model and exists as diatomic gaseous molecule "X"_(2). Also the normal boiling point of a compound "X"_(2)"O" liquid is found to be 101^(@)"C" and that of a solution obtained on dissolved 0.1 moles of NaCl in 1 Kg of "X"_(2)"O" liquid is 101.4^(@)"C". It is also known that the ionization energy of X is equal to 14eV What amount of charge will be required to deposit 10 moles of "X"_(2) if electrolysis of very dilute solution of NaCl is done with "X"_(2)"O" as the solvent?

An isotope of hydrogen atom is represented as X which follows Bohr's model and exists as diatomic gaseous molecule X_(2) . Also the normal boiling point of a compound X_(2)O liquid is found to be 101^(@) C and that of solution obtaind on dissolving 0.1 moles of NaCl in 1 kg of X_(2)O liquid is 101.4^(@)C . It is also known that the ionization energy of X is equal to 14 eV . The energy required to excite electron from ground state of IInd excited state is given by :

It is found that in 11.2 L at 0^(@)C and 1 atm, of any gaseous compound of 'X', there is never less than 15.5 gm of 'X'. It is also found that 11.2 L of vapours of 'X' at 0^(@)C and 1 atm, weighs 62 gm. The automicity of 'X' is :

The normal boiling point of a liquid X is 400 K. Which of the following statement I dtrue about the process X(l) to X(g) ?

When 1 mole of a solute is dissolved in 1 kg of H_(2)O , boiling point of solution was found to be 100.5^(@) C. K_(b) for H_(2)O is :

Calculate mass of the final solution obtained on heating a solution comprising of 0.5 moles of urea in 2000 g of H_(2)O to a temperature of 101^(@)C if K_(b (H_(2)O)) = 0.5 K kg/mole .

1.0 molal aqueous solution of an electrolyte X_(3)Y_(2) is 25% ionized. The boiling point of the solution is (K_(b) for H_(2)O = 0.52 K kg//mol) :

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